Convert Rakefile uses of "sh" to FileUtils methods
Convert Rakefile uses of "sh" to FileUtils methods

Signed-off-by: Deepak Giridharagopal <d11186354d1ef01ca06ae37d7e23e827da13e85f@puppetlabs.com>

waynr/puppetdb,johnduarte/puppetdb,shrug/puppetdb,puppetlabs/puppetdb,ajroetker/puppetdb,puppetlabs/puppetdb,kbarber/puppetdb,johnduarte/puppetdb,github/puppetlabs-puppetdb,senior/puppetdb,mullr/puppetdb,rbrw/puppetdb,waynr/puppetdb,grimradical/puppetdb,kbarber/puppetdb,jantman/puppetdb,kbarber/puppetdb,cprice404/puppetdb,senior/puppetdb,haus/puppetdb,ajroetker/puppetdb,waynr/puppetdb,kbrezina/puppetdb,kbrezina/puppetdb,rbrw/puppetdb,github/puppetlabs-puppetdb,shrug/puppetdb,highb/puppetdb,grimradical/puppetdb,grimradical/puppetdb,johnduarte/puppetdb,wkalt/puppetdb,ajroetker/puppetdb,rbrw/puppetdb,rbrw/puppetdb,melissa/puppetdb,wkalt/puppetdb,johnduarte/puppetdb,puppetlabs/puppetdb,highb/puppetdb,waynr/puppetdb,puppetlabs/puppetdb,mullr/puppetdb,mullr/puppetdb,wkalt/puppetdb,kbrezina/puppetdb,kbrezina/puppetdb,ajroetker/puppetdb,haus/puppetdb,github/puppetlabs-puppetdb,shrug/puppetdb,haus/puppetdb,rbrw/puppetdb,stahnma/puppetdb,grimradical/puppetdb,melissa/puppetdb,stahnma/puppetdb,cprice404/puppetdb,jantman/puppetdb,nfagerlund/puppetdb,highb/puppetdb,puppetlabs/puppetdb,kbarber/puppetdb,mullr/puppetdb,mullr/puppetdb,senior/puppetdb,melissa/puppetdb,highb/puppetdb,senior/puppetdb,nfagerlund/puppetdb,shrug/puppetdb,jantman/puppetdb,stahnma/puppetdb,cprice404/puppetdb,nfagerlund/puppetdb,wkalt/puppetdb